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Toyota Warning Lights and Trouble Code Guide

Browse the Toyota models currently backed by a manufacturer or official document in this research set.

Source check and limits

This source supports a model name or the specific conditions shown below. A complete US year, engine, warning and parts list is not established here. Match your VIN and exact-year owner manual before using a code or case.

Read the Toyota USA original: All vehicles Source date: document date not recorded; research checked: 2026-11-01.

Documented model-year profiles

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Model pages with manufacturer-document context

These model names have a conditional source row and a case-specific guide. They are not year-complete owner manuals or proof that any individual vehicle has a fault.

Model names without a separate detail page

These names appear in an official document or owner resource, but the research has no distinct year, engine and warning mapping for a useful model page. Source links remain beside each name; no repetitive placeholder URL is generated.

Make-specific warning terms

The plan flags these as terms to check in an exact Toyota manual: Master Warning, Hybrid System Malfunction, PCS, VSC/TRAC, ABS, AWD/4WD, hybrid battery, maintenance reminder. Their presence here does not mean every model has these features or faults.

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Research coverage for this make

The current catalog has 21 Toyota model-name records, 4 manual/profile-backed model pages, 13 additional document-scoped model pages and 5 detailed configuration records. The documented model-year values from complete profiles are 2012, 2013, 2014, 2025. These counts describe the research files, not the entire US fleet, an owner survey or confirmed fault frequency.

Missing model years remain unknown in this site rather than being treated as vehicles that never existed.

Before matching a code or part

Model family names do not prove a specific model year, powertrain, equipment package or repair. Match the VIN, owner's manual and complete scan first.

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Sources and scope

  1. Toyota USA — All vehicles Document: date not recorded · Research checked: 2026-11-01
  2. Toyota — 2025 Camry brochure Document: date not recorded · Research checked: 2026-11-01
  3. Toyota — T-SB-0107-14 Document: 2014-08-21 · Research checked: 2026-11-01
  4. Toyota — Camry HV P0A80/P0A7F and cooling-fan debris (T-SB-0049-14 Rev1) Document: 2016-01-27 · Research checked: 2026-11-01
  5. Toyota — Prius brake-booster warning lights and C1391/C1252/C1256/C1253 (T-SB-0024-19) Document: 2019-03-06 · Research checked: 2026-11-01
  6. Toyota — Coolant bypass valve P268111/P268115 (T-SB-0112-24 Rev1) Document: 2025-01-07 · Research checked: 2026-11-01
  7. Toyota — 3UR secondary-air switching valve ice/debris (T-SB-0144-14) Document: 2014-11-07 · Research checked: 2026-11-01

Research snapshot: 2026-11-01. Source documents may have newer revisions. Verify current instructions and VIN eligibility with the manufacturer.

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